xref: /titanic_50/usr/src/lib/udapl/udapl_tavor/common/dapl_ep_query.c (revision 9e39c5ba00a55fa05777cc94b148296af305e135)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
24  */
25 
26 /*
27  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 /*
32  *
33  * MODULE: dapl_ep_query.c
34  *
35  * PURPOSE: Endpoint management
36  * Description: Interfaces in this file are completely described in
37  *		the DAPL 1.1 API, Chapter 6, section 5
38  *
39  * $Id: dapl_ep_query.c,v 1.8 2003/08/20 13:22:05 sjs2 Exp $
40  */
41 
42 #include "dapl.h"
43 #include "dapl_adapter_util.h"
44 
45 /*
46  * dapl_ep_query
47  *
48  * DAPL Requirements Version xxx, 6.5.5
49  *
50  * Provide the consumer parameters, including attributes and status of
51  * the Endpoint.
52  *
53  * Input:
54  *	ep_handle
55  *	ep_param_mask
56  *
57  * Output:
58  *	ep_param
59  *
60  * Returns:
61  *	DAT_SUCCESS
62  *	DAT_INVALID_PARAMETER
63  */
64 DAT_RETURN
dapl_ep_query(IN DAT_EP_HANDLE ep_handle,IN DAT_EP_PARAM_MASK ep_param_mask,OUT DAT_EP_PARAM * ep_param)65 dapl_ep_query(
66 	IN DAT_EP_HANDLE ep_handle,
67 	IN DAT_EP_PARAM_MASK ep_param_mask,
68 	OUT DAT_EP_PARAM *ep_param)
69 {
70 	DAPL_EP *ep_ptr;
71 	DAT_RETURN dat_status;
72 
73 	dapl_dbg_log(DAPL_DBG_TYPE_API, "dapl_ep_query (%p, %x, %p)\n",
74 	    ep_handle, ep_param_mask, ep_param);
75 
76 	dat_status = DAT_SUCCESS;
77 	ep_ptr = (DAPL_EP *) ep_handle;
78 
79 	/*
80 	 * Verify parameter & state
81 	 */
82 	if (DAPL_BAD_HANDLE(ep_ptr, DAPL_MAGIC_EP)) {
83 		dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
84 		    DAT_INVALID_HANDLE_EP);
85 		goto bail;
86 	}
87 
88 	if (ep_param == NULL) {
89 		dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG3);
90 		goto bail;
91 	}
92 
93 	/*
94 	 * Fill in according to user request
95 	 *
96 	 * N.B. Just slam all values into the user structure, there
97 	 * is nothing to be gained by checking for each bit.
98 	 */
99 	if (ep_param_mask & DAT_EP_FIELD_ALL) {
100 		if (ep_ptr->param.ep_state == DAT_EP_STATE_CONNECTED) {
101 			/* obtain the remote IP address */
102 			dat_status = dapls_ib_cm_remote_addr(
103 			    (DAT_HANDLE)ep_handle, NULL,
104 			    &ep_ptr->remote_ia_address);
105 		}
106 		*ep_param = ep_ptr->param;
107 	}
108 
109 bail:
110 	return (dat_status);
111 }
112